Date: Mon, 17 Aug 2015 07:56:49 -0500 From: dweimer <dweimer@dweimer.net> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Quick Hard Drive Error Question Message-ID: <46e87057b2ac9672e581dcd794bf1111@dweimer.net>
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I have an external SATA drive dock that I use to write backups to, I
have steadily been getting more parity/CRC errors over the last couple
of weeks.
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0):
WRITE_FPDMA_QUEUED. ACB: 61 00 70 e7 53 40 85 00 00 01 00 00
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0): CAM status:
Uncorrectable parity/CRC error
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0): Retrying command
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0): READ_FPDMA_QUEUED.
ACB: 60 70 d0 c6 1c 40 84 00 00 00 00 00
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0): CAM status:
Uncorrectable parity/CRC error
Aug 17 00:14:14 freebsd kernel: (ada4:ahcich5:0:0:0): Retrying command
I have ran smart tests on the drives, they report no errors, hers the
most recent summary line from the currently mounted drive.
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 595
-
I suspect since the smart tests are showing no errors, that the issue is
with the drive dock or cabling. I am using a internal/external SATA
bracket, and not receiving any errors on the internal drives so I don't
suspect it's a controller issue with the on board SATA III controller.
The current drive dock and cables are SATA II, I have since upgraded to
SATA III 2TB drives since it was purchased along with 1TB SATA II
drives. So I have been considering purchasing a new SATA III dock and
cables anyways, but just in case I need to spend the money somewhere
else to fix this issue I just wanted to see if anyone else had any other
ideas on what might cause this scenario.
--
Thanks,
Dean E. Weimer
http://www.dweimer.net/
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